Home / 201,748.10-302,840.85-126,952.70

Finding the Fourth Proportional to 201,748.10, 302,840.85 and 126,952.70

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Solution

The fourth proportional to 201,748.10, 302,840.85 and 126,952.70 is: 190,566.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,748.10 : 302,840.85 = 126,952.70 : x
  2. Step 2: Convert to fraction form
    201,748.10/302,840.85 = 126,952.70/x
  3. Step 3: Cross multiply
    201,748.10x = 302,840.85 × 126,952.70
  4. Step 4: Simplify right side
    201,748.10x = 38,446,463,577.80
  5. Step 5: Solve for x
    x = 38,446,463,577.80/201,748.10
  6. Step 6: Final answer
    x = 190,566.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.